GM T56 '98-02 3-in-One Harness/Reverse Lock Out Controller Harness

Why a 3-in1?

The 3-in-One harness solution for the Tremec 6-speed Magnum transmission comes equipped with all the connections pre-wired into one harness for a simple installation and ease of use. The small epoxy-sealed controller is mounted to the VSS output using the existing bolt. Once the unit is powered up you will be able to connect via Bluetooth to your Apple or Android smartphone using the free app.The app will give you the ability to customize the input and output settings for each feature to ensure proper operation in your vehicle. The 3-in-One harness eliminates the need for any additional equipment to operate the reverse lockout or generate the correct speedometer signals coming from your Tremec 6-speed Magnum.This 3-in-One harness solution is the perfect finishing touch for any Tremec 6-speed Magnum conversion, and the only harness you will ever need.Prior to the development of the 3-in-One harness, you would need up to 5 separate parts to perform all the same functions wrapped up in this one harness solution.Getting the correct speed sensor output and operating the reverse lockout is typically the most frustrating and confusing. The more technology incorporated into hot rods these days sometimes requires specific input signals to allow everything to function correctly. There may be scenarios where you are using a speedometer that requires one signal and an ECM that requires a completely different signal. With the 2 speed outputs that are available in the 3-in-One harness, you can independently control the output of each one further eliminating any need for additional equipment and connections.

Why is this one special?

MD-700-0102: For Borg Warner GM Non-Magnum 6-speed. With a Borg-Warner GM VSS connector, it works with a Bluetooth smartphone App. The reverse lockout on the Tremec 6-speed Magnum is another commonly misunderstood feature. The reverse lockout is a solenoid-controlled pin, that uses a spring to exert pressure against the shift rail, to help prevent an accidental shift into reverse when going into 5th gear. It doesn't prohibit reverse engagement, it only makes it difficult to shift into reverse when it is not getting a power signal. Once power is applied, the solenoid pulls the pin back allowing reverse engagement with minimal effort.The OE controls this feature using a speed setting to dictate when the pin is pulled rather than a momentary on/off signal. We've incorporated that same speed setting feature into the 3-in-One harness to give you better control over when the lockout is triggered.

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